<template>
    <div style="padding: 10px">
        <!--    功能区-->
        <div style="margin: 10px 0">
            <el-button type="primary" @click="add">新增</el-button>
            <el-button type="primary">导入</el-button>
            <el-button type="primary">导出</el-button>

        </div>
        <!--搜索区域-->
        <div style="margin: 10px 0">
            <el-input v-model="search" placeholder="请输入关键字" style="width: 20%" clearable></el-input>
            <el-button type="primary" style="margin-left: 5px" @click="load">查询</el-button>

        </div>
        <el-table
                :data="tableData"
                border
                stripe
                style="width: 100%">
            <el-table-column
                    prop="id"
                    label="ID"
                    sortable
            >

            </el-table-column>
            <el-table-column
                    prop="title"
                    label="标题">
            </el-table-column>

            <el-table-column
                    prop="author"
                    label="作者">
            </el-table-column>
            <el-table-column
                    prop="time"
                    label="时间">
            </el-table-column>
            <el-table-column label="操作">
                <template #default="scope">
                    <el-button size="mini" @click="handleEdit(scope.row)">编辑</el-button>
                    <el-button size="mini" @click="details(scope.row)">详情</el-button>

                    <el-popconfirm
                            title="确定删除吗？" @confirm="handleDelete(scope.row.id)"
                    >
                        <template #reference>
                            <el-button size="mini" type="danger">删除</el-button>
                        </template>
                    </el-popconfirm>

                </template>
            </el-table-column>

        </el-table>

        <div style="margin: 10px">
            <el-pagination
                    @size-change="handleSizeChange"
                    @current-change="handleCurrentChange"
                    :current-page="currentPage"
                    :page-sizes="[5, 10, 20]"
                    :page-size="pageSize"
                    layout="total, sizes, prev, pager, next, jumper"
                    :total="total">
            </el-pagination>

            <el-dialog
                    title="提示"
                    v-model="dialogVisible"
                    width="30%">
                <el-form model="form" label-width="120px">

                    <el-form-item label="标题">
                        <el-input v-model="form.title" style="width: 80%" placeholder="请输入名称"></el-input>
                    </el-form-item>
                    <el-form-item label="作者">
                        <el-input v-model="form.author" style="width: 80%" placeholder="请输入作者"></el-input>
                    </el-form-item>
                    <el-form-item label="发布时间">
                        <el-date-picker v-model="form.time" value-format="YYYY-MM-DD" type="datetime" style="width: 80%" clearable></el-date-picker>
                    </el-form-item>

                    <div id="#div1">

                    </div>

                </el-form>
                <template #footer>
    <span class="dialog-footer">
      <el-button @click="dialogVisible = false">取 消</el-button>
      <el-button type="primary" @click="save">确 定</el-button>
    </span>
                </template>
            </el-dialog>

            <el-dialog
                    title="详情"
                    v-model="vis"
                    width="50%">
                <el-card>
                    <div v-html="detail.content"></div>
                </el-card>
            </el-dialog>
        </div>
    </div>
</template>

<script>


    import request from "../utils/request";

    let editor;
    export default {
        name: 'News',

        components: {


        },

        data(){
            return {
                form:{},
                dialogVisible:false,
                search:this.searchStr,
                currentPage:1,
                pageSize:10,
                total:0,
                tableData: [],
                detail:{},//声明属性,用来接收
                vis:false//决定弹窗的开启和关闭
            }
        },

        //加载方法的时候调用
        created() {

            this.load()
        },

        methods:{

            details(row){

                this.detail = row
                this.dis = true
            },
            filesUploadSuccess(res){
                console.log(res);
            },
            //查询用户信息数据
            load(){
                console.log("来了 。。。list:")

                request.get("/news",{
                    params: {
                        pageNum:this.currentPage,
                        pageSize:this.pageSize,
                        searchStr:this.search

                    },

                }).then(res => {
                    console.log("news list:" + res.data.records)
                    this.tableData = res.data.records
                    this.total = res.data.total
                }).catch(function (error){
                    console.log("error:" + error)

                });
            },

            //弹出用户信息填写表单
            add(){
                this.dialogVisible=true//控制表单的显示和隐藏
                //清空表单域
                this.form = {}//赋值为空对象，清空表单所有属性

                console.log("新增了")
                //关联弹窗里的div new一个 editor对象
                let that=this;
                that.$nextTick( function(){//处理未来元素的方法
                    editor = new E('#div1');
                    editor.created()
                })
            },
            //保存用户信息填写的表单信息
            save(){

                this.form.content = editor.txt.html()//后去编辑器里面的值 然后赋值到实体

                //form对象传到后台去 axios
                if (this.form.id){//更新
                    request.put("/news",this.form).then(res => {
                        console.log("update:" + res)
                        //对res的code的结果（0，1）判断后 进行弹窗提示
                        if (res.code == '0'){
                            this.$message({
                                type:"success",
                                message:"更新成功"
                            })
                        }else {
                            this.$message({
                                type:"error",
                                message:res.msg
                            })
                        }

                        this.load()//刷新表格数据
                        this.dialogVisible = false

                    })
                }else {//新增
                    //登录的时候有存储用户的缓存信息，可以获取到
                    let userStr = sessionStorage.getItem("user") || "{}"
                    let user = JSON.parse(userStr)

                    this.form.author = user.nickName

                    request.post("/news",this.form).then(res => {
                        console.log("save news:" + res)
                        //进行弹窗提示
                        if (res.code == '0'){
                            this.$message({
                                type:"success",
                                message:"新增成功"
                            })
                        }else {
                            this.$message({
                                type:"error",
                                message:res.msg
                            })
                        }
                        this.load()//刷新表格数据
                        this.dialogVisible = false
                    })
                }

                // this.form = {}//传值
            },

            //编辑
            handleEdit(row){//避免表格的数据变化，将用户信息数据深拷贝，与原来的数据隔离开
                this.form = JSON.parse(JSON.stringify(row))
                this.dialogVisible = true
            },

            handleDelete(id){
                console.log(id)
                request.delete("/news/" + id).then(res =>{
                    //进行弹窗提示
                    if (res.code == '0'){
                        this.$message({
                            type:"success",
                            message:"删除成功"
                        })

                        this.load()//重新加载

                    }else {
                        this.$message({
                            type:"error",
                            message:res.msg
                        })
                    }

                })
            },

            handleSizeChange(pageSize){//改变当前每页的个数触发
                this.pageSize = pageSize
                this.load()
            },

            handleCurrentChange(pageNum){
                this.currentPage = pageNum
                this.load()
            }

        }
    }
</script>
